iOS - 知道模态视图何时被关闭
我有一个 UIViewController，在其中呈现一个 modalViewController。显示模态视图后，用户可以将其关闭。
有没有办法知道模态视图何时完全消失，以便我可以从原始控制器触发方法？
I have a UIViewController which I present a modalViewController in. After the modal view is shown, the user can dismiss it.
Is there a way to know when that modal view has been completely dismissed so I can fire a method from the original controller?
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听起来像是一份工作：viewDidDisappear：来自 http ://developer.apple.com/library/ios/#documentation/uikit/reference/UIViewController_Class/Reference/Reference.html
Sounds like a job for: viewDidDisappear: from http://developer.apple.com/library/ios/#documentation/uikit/reference/UIViewController_Class/Reference/Reference.html